
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<p>index</p>
<h4>request域</h4>
<%
    String b = (String) request.getAttribute("remoteUser");
%>
requestScope:<%=b%>
</body>
</html>
